Occurs in either the vascular supply or the nerve supply to the hand is impaired. Tingling typically means altered light touch sensation and it's often confused with the concept of numbness which means absence of sensation. Tinglingcan be fine or coarse depending upon the mechanism or etiology
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2

See a doctor:
you need to see a doctor that can listen to you,examined you,and treat you
you stated four different problem most likely are not related
neuropathy from CNS
pain with breathing repiratery
neck pain muskeloskeletal
nausea that could be GI, neuro, respond to pain.
si as you can see hard to put them together in one answer without proper history and physical face to face
so go and see a doctor
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4

Yes:
Compressed or "pinched" nerves can cause numbness, tingling, weakness in the arm, legs, hands and feet. If symptoms persist for more than a day or so, see you doctor for a comprehensive evaluation.
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6

Mechanism of action:
The drug does affect numerous neurotransmitters and certainly in some affects acid-base balance (adverse event is metabolic acidosis). Any of these mechanisms could promote paresthesias. However, patients have mitigated this by ingestion of bananas or dried apricots, sources of potassium plus other ingredients.
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7

Yes:
Levaquin (levofloxacin) can cause a condition called peripheral neuropathy. We don't actually know how often this happens, but probably pretty infrequently. I would hold off taking the Levaquin (levofloxacin) until you see your doctor tomorrow (unless you're treating a serious infection like pneumonia or pyelonephritis).
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10

Feet maybe, hands no:
The sciatic nerve runs from the gluteal region (your rear end) down the back of your leg, then branches to innervate the back of the thigh and leg as well as the outer part of the lower leg and then parts of the feet. An injury may cause those symptoms there, as well as problems with motion.
The major nerves that serve the hands are the radial, ulnar and median.
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Tingling is a pins and needle like sensation anywhere on the body. May also be termed paresthesia. Can experience when elbow is bumped (funny bone), or even from frostbite. On its own, unlikely significant but may be part of nerve pathology from a variety of mechanisms.
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